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Toward Fairness in AI for People with Disabilities: a Research Roadmap

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Toward Fairness in AI for People with Disabilities: a Research Roadmap Toward Fairness in AI for People with Disabilities: A Research Roadmap Anhong Guo1;2, Ece Kamar1, Jennifer Wortman Vaughan1, Hanna Wallach1, Meredith Ringel Morris1 1 Microsoft Research, Redmond, WA & New York, NY, USA 2 Human-Computer Interaction Institute, Carnegie Mellon University, Pittsburgh, PA, USA [email protected], {eckamar, jenn, wallach, merrie}@microsoft.com ABSTRACT Although improving the lives of people with disabilities AI technologies have the potential to dramatically impact the (PWD)1 is a motivator for many state-of-the-art AI systems, lives of people with disabilities (PWD). Indeed, improving and although such systems have the potential to mitigate many the lives of PWD is a motivator for many state-of-the-art AI disabling conditions [6], considerations regarding fairness in systems, such as automated speech recognition tools that can AI for PWD have thus far received little attention [73]. Fair- caption videos for people who are deaf and hard of hearing, or ness issues for PWD may be more difficult to remedy than language prediction algorithms that can augment communica- fairness issues for other groups, particularly where people with tion for people with speech or cognitive disabilities. However, particular classes of disability may represent a relatively small widely deployed AI systems may not work properly for PWD, proportion of a population. Even if included in training and or worse, may actively discriminate against them. These con- evaluation data, they may be overlooked as outliers by current siderations regarding fairness in AI for PWD have thus far AI techniques [73]. Such issues threaten to lock PWD out of received little attention. In this position paper, we identify po- access to key technologies (e.g., if voice-activated smart speak- tential areas of concern regarding how several AI technology ers do not recognize input from people with speech disabili- categories may impact particular disability constituencies if ties), inadvertently amplify existing stereotypes against them care is not taken in their design, development, and testing. We (e.g., if a chatbot learns to mimic someone with a disability), intend for this risk assessment of how various classes of AI or even actively endanger their safety (e.g., if self-driving cars might interact with various classes of disability to provide a are not trained to recognize pedestrians using wheelchairs). roadmap for future research that is needed to gather data, test We propose the following research agenda to identify and rem- these hypotheses, and build more inclusive algorithms. edy shortcomings of AI systems for PWD: (1) Identify ways in which inclusion issues for PWD may impact AI systems; Author Keywords (2) Test inclusion hypotheses to understand failure scenarios Artificial intelligence; machine learning; data; disability; and the extent to which existing bias mitigation techniques accessibility; inclusion; AI fairness; AI bias; ethical AI. (e.g., [18, 33, 37]) work; (3) Create benchmark datasets to support replication and inclusion (and handle the complex CCS Concepts ethical issues that creating such datasets for vulnerable groups •Computing methodologies ! Artificial intelligence; might involve); and (4) Innovate new modeling, bias mitiga- •Human-centered computing ! Accessibility; •Social and tion, and error measurement techniques in order to address professional topics ! Codes of ethics; People with disabil- any shortcomings of status quo methods with respect to PWD. ities; In this position paper, we take a step toward the first of these goals by reflecting on ways in which current key classes of AI arXiv:1907.02227v2 [cs.CY] 2 Aug 2019 INTRODUCTION systems may necessitate particular consideration with respect As AI systems increasingly pervade modern life, ensuring that to different classes of disability. Systematically studying the they work fairly for all is an important challenge. Researchers extent to which these interactions exist in practice, or demon- have identified unfair gender and racial bias in existing AI strating that they definitely do not, is an important next step systems [2,7,9]. To understand how AI systems work across toward creating AI inclusive of PWD; however, articulating different groups of people, it is necessary to develop inclusive the extent of a problem is a necessary precursor to remediation. tools and practices for evaluation and to identify cases in which homogeneous, non-inclusive data [9] or data reflecting negative historical biases [2,7] is used for system training. 1Throughout this paper, we use people-first language as suggested by the ACM SIGACCESS guidelines [32], but we recognize that some people may choose identity-first language or other terminology. Note that we use the term “disability” in accordance with the social model of disability [62], which emphasizes that an impairment (i.e., due to a health condition or even a particular situational context) results in disability due to non-accommodating social or environmental conditions; under this model, AI systems could either mitigate or ACM ASSETS 2019 Workshop on amplify disability depending on how they are designed. AI Fairness for People with Disabilities 1 Furthermore, we note that the question of whether it is even the expected angle. Emotion processing algorithms may mis- ethical to build certain categories of AI is an important one interpret the facial expressions of someone with autism or (and may be dependent on use context). Our mention of vari- Williams syndrome, who may not emote in a conventional ous classes of AI is not an endorsement of whether we think manner; expression interpretation may also be problematic such systems should be built, but is simply describing how for people who have experienced stroke, Parkinson’s disease, they may interact with disability. Indeed, there is a larger Bell’s Palsy, or other conditions that restrict facial movements. ethical discussion to be had on how limiting some types of AI with negative associations (like synthetic voices that could Body Recognition be used for deepfakes [11]) might disenfranchise PWD who Body recognition systems include capabilities for identifying could benefit from such tech (i.e., by limiting the opportunity the presence of a body and/or making inferences about its to realistically reproduce the voice of someone who can no properties, such as body detection, identification, verification, longer speak). and analysis. Body recognition systems can power applica- tions using gesture recognition (e.g., in VR and AR [4, 49] or RISK ASSESSMENT OF EXISTING AI SYSTEMS FOR PWD gaming [47]), or gait analysis (e.g., for biometric authentica- Here, we group existing classes of AI systems by related tion [78], sports biomechanics [54], and path predictions used functionalities, and identify disability constituencies for whom by self-driving vehicles [74]). these systems may be problematic. This risk assessment is Body recognition systems may not work well for PWD char- meant as a starting point to spark further research, and may acterized by body shape, posture, or mobility differences. For not be exhaustive. For example, as new AI technologies are example, gesture recognition systems2 are unlikely to work developed they would require consideration with respect to well for people with differences in morphology (e.g., a person disability. Additionally, while we strove to anticipate ways in with an amputated arm may be unable to perform bimanual which classes of AI may fail for some disability groups, we gestures, or may grip a device differently than expected; a per- may not have exhaustively identified all such groups; indeed, son with polydactyly’s style of touching a screen may register the “long tail” of disability and potential co-occurrence of an unanticipated pattern). Failure of gesture recognition sys- multiple disabilities are two of many reasons that ensuring AI tems is also likely in cases where disability affects the nature inclusion for PWD is particularly challenging [73]. of motion itself, such as for someone who experiences tremor or spastic motion [56, 57]. Fatigue may also impact gesture Computer Vision performance (and therefore recognition accuracy) over time, Computer vision systems analyze still or video camera inputs particularly for groups that may be more susceptible to fatigue to identify patterns, such as the presence and attributes of faces, such as due to disability or advanced age. The scheduling of bodies, or objects. Disabilities that may impact a person’s medications whose main- or side-effects mitigate or amplify physical appearance (facial features, facial expressions, body motor symptoms such as tremor may also result in differential size or proportions, presence of assistive equipment, atypical gesture performance within or across days. motion properties) are important to consider when designing and testing the fairness of computer vision algorithms. People who are unable to move at all or who have severely restricted motion (e.g., people with ALS or quadriplegia), may Face Recognition be locked out of using certain technologies if body recogni- Face recognition systems include capabilities for identifying tion is the only permitted interaction. Further, body recogni- the presence of a face and/or making inferences about its prop- tion systems may not work well for people with mobility or erties, including face detection, identification (i.e., to guess morphology differences; for example, if a self-driving car’s the identity of a specific person),
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